package com.example.springboot.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 *  跨域请求配置类
 *    解决：vue axios 跨域请求到 后台
 */
@Configuration
public class CorsConfig {

    private CorsConfiguration buildConfig(){
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        // 是否允许证书
        corsConfiguration.setAllowCredentials(true);
        // 允许跨域请求的域名
        corsConfiguration.addAllowedOrigin("*");
        // 允许响应头
        corsConfiguration.addAllowedHeader("*");
        // 允许方法
        corsConfiguration.addAllowedMethod("*");
        return corsConfiguration;
    }

    @Bean
    public CorsFilter corsFilter(){
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", buildConfig());
        return new CorsFilter(source);
    }

}
